18463+5630 DAL 31
18h 46m 20.65s +56° 29' 46.4" P.A. 265.00 sep 49.3 mag 10.56,11.02
Coord 2000 |
18463+5630 |
|
Discov num |
DAL 31 |
|
Comp |
|
|
Coord arcsec 2000 |
18 46 20.65 +56 29 46.4 |
|
Date first |
1903 |
|
Date last |
2015 |
|
Obs |
14 |
|
Pa first |
265 |
|
Pa last |
264.9 |
|
P.A. Now (θ) |
264.9° |
|
Sep first |
49.8 |
|
Sep last |
49.3 |
|
Sep. Now (ρ) |
49.3" |
|
Mag pri |
10.56 |
|
Mag sec |
11.02 |
|
delta mag (ΔM) |
0.46 |
|
Spectral class |
|
|
Pri motion ra |
+001 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
+063 |
|
Sec motion dec |
+064 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.022 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
Tycho2 |
3926-01088-1 |
|
Gaia DR2 |
2153888646829992832 |
|